Ceteareth-12

Also known as: Alcohols, C16-18, ethoxylated, Ethoxylated fatty alcohols (C16-18), Cetomacrogolum, UNII-8FA93U5T67, UNII-7V4MR24V5P (+15 more)

INCI: CETEARETH-12

Ceteareth-12 (CAS 68439-49-6) is a cosmetic cosmetic ingredient functioning as Surfactant (emulsifying agent). NOAEL 800 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); EU Regulation 1223/2009 status: restricted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.

View industrial chemical safety profile for CAS 68439-49-6 →

Auto-generated CPSR Part A draft with source citations
Function
Surfactant (emulsifying agent)
Safety Rating
MODERATE

Chemistry & Identifiers

EC Number
939-518-5

Regulatory Status

EU EU Status restricted
US US Status permitted
US Notes Permitted; CIR: safe as used

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Ceteareth-12.

Calculate MoS for your specific formulation with the MoS Calculator.

Pre-Calculated Safety Assessment

Pre-calculated NOAEL → SED → MoS audit trail for Ceteareth-12 across SCCS product categories, with measured dermal absorption where available.

ECHA REACH Registration

European Chemicals Agency REACH dossier and Substances of Very High Concern listing.

Registration Type
Full
Tonnage Band
10,000 - 100,000 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No

Additional Ingredient Properties

3 property records from structured ingredient metadata.

emulsifier
{"cas_number": "68439-49-6", "ingredient_class": "O/W_emulsifier", "chemical_type": "ethoxylated_fatty_alcohol", "HLB_value": "6.3", "HLB_required_for_oil_phase": "4-8", "emulsion_type_primary": "O/W", "droplet_size_typical_um": "2-5", "surface_tension_reduction_mN_m": "25", "interfacial_tension_reduction": "30", "foam_formation": "moderate", "foam_stability": "moderate", "liquid_crystal_formation…
solubility_hlb
{"water_soluble": "partial", "oil_soluble": "yes", "hlb_value": "14.0", "soluble_in": "water, oils, ethanol", "insoluble_in": "glycerin", "log_p": "0.5", "melting_point_c": "40-44", "appearance": "white flakes", "source": "BASF"}
surfactant
{"cas_number": "68439-49-6", "surfactant_type": "nonionic", "chemical_class": "ethoxylate", "charge_at_use_ph": "neutral", "cmc_critical_micelle_concentration_mm": "0.05986269746576223", "hlb_value": "16.0", "foam_volume_ml_ross_miles": "104", "foam_quality": "airy", "foam_stability_5min_pct": "57", "cleansing_power_rating_1_to_10": "3.9437050732849332", "oil_emulsification_capacity": "good", "seb…

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Anti-scaling agent Cleaning agent Dispersing agent Emulsifier Lubricating agent Solubility enhancer Stabilizing agent Surface modifier Surfactant (surface active agent) Thickening agent
Regulatory List Membership (3)
EU Regulated in Personal Care EU Restricted for Children (Cosmetics) EPA Safer Chemical Ingredients List (SCIL)

Expert Verdict

Expert safety assessment and concern-level summary for Ceteareth-12.

Regulatory Flags

eu_children_restricted epa_safer_alternative

Known Synonyms

Alcohols, C16-18, ethoxylated Ethoxylated fatty alcohols (C16-18) Cetomacrogolum UNII-8FA93U5T67 UNII-7V4MR24V5P UNII-1R9DCZ5FOX UNII-R42C2O714B UNII-YRC528SWUY UNII-867H4YOZ8Z UNII-H11625KU5F UNII-2RJS3559D3 UNII-0A92O98YL9 UNII-28VZG1E234 UNII-2AAD28764Q UNII-4W0XA5SY57 UNII-788S3R02S3 UNII-821KR82QH3 UNII-821RF3P03C UNII-DK070R75PW UNII-FJV4K0Y9C0

Chemical Function

Surfactant (surface active agent) Emulsifier Stabilizing agent

Regulatory Lists

SCIL (9/2019) inert_ingredient; non_food_use; Pesticides children; Europe; Personal care children; Europe; Personal care - general moisturizing - hand/body lotion children; Europe; Personal care children; Europe; Personal care - general moisturizing - hand/body lotion Europe; Personal care Europe; Personal care active_ingredient; Pesticides

Australian Status

AICIS status: listed

Frequently Asked Questions

Is Ceteareth-12 safe in cosmetics?

Ceteareth-12 has a safety rating of "MODERATE" in our database. EU status: restricted. US status: permitted.

Is Ceteareth-12 allowed in the EU?

Ceteareth-12 EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.

What does Ceteareth-12 do in cosmetics?

Ceteareth-12 functions as: Surfactant (emulsifying agent). It is classified as a cosmetic ingredient in our database. CAS number: 68439-49-6.

Is Ceteareth-12 used outside cosmetics?

Ceteareth-12 also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

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